The Luber-finer LFP9001XL upgraded oil filter is designed for the Cummins ISX engine. The XL (Extended Life) version of Luber-finer’s LFP9001 full-flow oil filter features a 100-percent synthetic filter media that keeps oil flowing smoothly while delivering enhanced filter efficiency over a longer time period. Luber-finer’s XL filters can help reduce the frequency of filter replacements and help increase vehicle uptime while reducing total service and filter spend, according to the company.